Hot Water Systems in Kirwan
The 4817 postcode, covering Kirwan, Rupertswood, Stableford, Alice River, Bohle Plains, Hervey Range, Rangewood and Thuringowa Central and surrounding areas, is home to around 11,570 households. With many households already generating their own clean solar power, many are now looking at how they can make their entire home energy system more efficient, with hot water heating often the logical next step.
With hot water roughly accounting for a quarter of the average home's energy use, switching to an energy-efficient hot water system is one of the biggest opportunities for savings. Across Kirwan and the 4817 area, 871 homeowners have already switched from older electric storage and gas hot water systems to solar hot water or air-source heat pump systems that draw on clean, renewable power while also claiming the hot water rebates to reduce their hot water heater system cost. These highly-efficient systems not only help cut energy bills but also reduce carbon emissions and improve overall energy independence.
With Kirwan's climate delivering an average of 5.8 kWh/m² per day, conditions are ideal for hot water systems and hybrid heat pump systems that harness both sunlight and ambient air temperature to heat water efficiently all year round. When paired with existing rooftop solar power or solar batteries, the result is hot water that costs far less to run and is powered by clean, self-generated energy.
Hot Water Ranking
Postcode 4817
95th
State Wide
343rd
Australia Wide
Hot Water Installation Kirwan
Estimated daily energy to heat household water, comparing a resistive electric element with a high-efficiency heat pump. Demand shifts month-to-month using local climate patterns.
Energy Efficient Hot Water & Solar Power Kirwan
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterKirwan
Illustrates how a typical 6.6 kW rooftop solar system can offset the daytime energy demand of a COP 5 heat pump hot water unit.
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Heat Pump Hot Water Systems for Kirwan
Compare heat pump hot water systems suitable for Kirwan's climate. These energy-efficient systems are designed to work in local temperature conditions and can significantly reduce your hot water energy costs.
Community Hot Water Statistics - Kirwan, 4817
Hot Water Demographics - Kirwan
Based on the Australian Bureau of Statistics 2021 Census (ABS), Kirwan has around 11,570 private dwellings, home to approximately 28,753 people. With an average household size of 2.7 people, and around 50 litres of hot water used per person each day in Australia, Kirwan households use approximately 135 litres of hot water daily, equating to a massive 1.6 million litres of hot water used across the suburb every single day.
Other census insights reinforce Kirwan's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Kirwan community is home to 2,518 couple families with children and 955 one-parent families, meaning a large proportion of households face substantial hot water demand. With 4,373 homes owned with a mortgage and 2,764 owned outright, many residents also have the homeownership and growing equity that make switching to efficient hot water systems a practical way to lower expenses.
Kirwan is converting hot water demand to efficient systems faster than many peers, with 7.5% of dwellings already upgraded.
Hot water systems in Kirwan
Across Kirwan, more households are switching to energy efficient hot water systems to keep bills under control and move away from ageing gas and old electric units. With around 10,800 occupied dwellings and an average household size of 2.7 people, hot water is a big chunk of power use for local families. Upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a simple way to lock in long-term savings.
Kirwan’s sunshine is a huge advantage. The Bureau of Meteorology records an average annual solar exposure of about 20.8 MJ/m² per day, which works out to roughly 5.8 kWh of solar energy per square metre each day. That strong Townsville sun helps both a solar hot water heating system and a quality heat pump hot water system run efficiently, especially when paired with rooftop solar. With a median household income of around $1,866 per week and many homes owned with a mortgage, smarter hot water installation choices can make a real difference to cashflow over time.
In 4817 there are thousands of separate houses, many with three or four bedrooms, so hot water demand is steady all year. A typical family might use a quarter of their household energy just on hot water. That is why more locals are asking about heat pump vs solar hot water, solar hot water vs electric hot water, and which option is the most efficient hot water system for their lifestyle. Brands like Rheem heat pump hot water, Rheem solar hot water, Rinnai solar hot water and premium Sanden heat pump units are all common choices for Kirwan homeowners chasing an energy efficient hot water system that will last.
Average annual bill savings will vary with tariffs and usage, but realistic ranges for Kirwan homes include:
• Old electric to heat pump hot water system: save roughly $350–$700 per year. • Gas to heat pump hot water: save around $250–$600 per year. • Gas to solar hot water system: save about $300–$650 per year. • Old electric to modern electric hot water installation with rooftop solar: save around $250–$500 per year.
These savings flow through whether you choose the best heat pump hot water system you can afford, or a well-sized solar hot water installation with a reliable solar hot water tank replacement.
Kirwan already has 871 efficient hot water systems installed, combining both heat pump and solar hot water systems. Installations jumped sharply around 2008–2011, with peak years over 100 installs, and there has been steady ongoing uptake each year through to 2025. That long-term trend shows growing local interest in electrification, lower running costs and getting off volatile gas prices. As systems age, there is also rising demand for hot water repair, solar hot water repair and full hot water system replacement rather than patching up old units.
Hot Water Rebates, Tariffs & Savings
Right now, there is strong interest in Kirwan in replacing old gas or resistive electric units with efficient options like heat pump hot water installation, solar hot water installation or even a better-timed electric hot water installation that runs on solar. Federal incentives such as Small-scale Technology Certificates (STCs) apply to eligible systems nationwide, effectively acting as an upfront solar hot water rebate or heat pump hot water rebate that lowers the hot water system price or cost by a meaningful amount. Queensland programs and retailer offers can also operate like an electric hot water system rebate or broader hot water rebate qld for approved upgrades.
When you combine these discounts with bill savings, the effective heat pump hot water price or cost, or the solar hot water price or cost, can drop significantly. Many Kirwan households see payback periods shorten to just a few years, especially if they use timers or solar diversion to run their hot water system during the middle of the day. For many homes, choosing the best hot water system Australia can offer for their budget means focusing on reliability, efficiency and how well it works with existing solar.
If your current unit is more than 10 years old, running on gas, or you are facing repeat hot water repair bills, it is a good time to check whether your Kirwan home is ready for a hot water upgrade. Whether you are comparing electric hot water vs gas hot water, weighing up heat pump vs solar hot water, or simply want the most efficient hot water system for your family, working with experienced hot water qld installers matters. Local specialists in heat pump and solar hot water can assess your roof, tariffs and usage, then recommend the right energy efficient hot water system to cut bills, lower emissions and future proof your home. Connect with trusted local experts for personalised advice with us and make your next hot water system upgrade a smart, long-term investment.